Graph the hyperbola.(y - 1)2 - 4(x - 3)2 = 4
A. 
B. 
C. 
D. 
Answer: C
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Solve the problem.The orbit of a satellite had a period of T = 93.11 minutes. Calculate the semimajor axis of the orbit. 
and 
A. 6805 km B. 4.440 × 104 km C. 6.805 × 106 km D. 444 km
Solve the system of equations using Cramer's Rule if it is applicable. If Cramer's Rule is not applicable, say so.
A. x = -2, y = 5; (-2, 5) B. x = 5, y = -2; (5, -2) C. x = 2, y = -5; (2, -5) D. x = -5, y = -2; (-5, -2)
Solve the problem.A person is watching a boat from the top of a lighthouse. The boat is approaching the lighthouse directly. When first noticed, the angle of depression to the boat is 13° 12'. When the boat stops, the angle of depression is 49° 49'. The lighthouse is 200 feet tall. How far did the boat travel from when it was first noticed until it stopped? Round to the nearest foot.
A. 668 ft B. 706 ft C. 729 ft D. 684 ft
Find dy/dx.
